EP3799088A1 - Dispositif d'indication du commutateur de transfert automatique à double alimentation et du commutateur de transfert automatique à double alimentation - Google Patents

Dispositif d'indication du commutateur de transfert automatique à double alimentation et du commutateur de transfert automatique à double alimentation Download PDF

Info

Publication number: EP3799088A1
Authority: EP; European Patent Office
Prior art keywords: indicating; power supply; switch; rod; indicating device
Prior art date: 2019-09-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP20306129.6A

Other languages

German (de)

English (en)

Other versions

EP3799088B1 (fr

EP3799088A9 (fr

Inventor

Xiaojing ZENG

Han Wang

Qian MA

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Schneider Electric Industries SAS

Original Assignee

Schneider Electric Industries SAS

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-09-30

Filing date

2020-09-30

Publication date

2021-03-31

2020-09-30 Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS

2021-03-31 Publication of EP3799088A1 publication Critical patent/EP3799088A1/fr

2022-08-10 Publication of EP3799088A9 publication Critical patent/EP3799088A9/fr

2022-12-28 Application granted granted Critical

2022-12-28 Publication of EP3799088B1 publication Critical patent/EP3799088B1/fr

Status Active legal-status Critical Current

2040-09-30 Anticipated expiration legal-status Critical

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Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/165—Indicators for switching condition, e.g. "on" or "off" comprising numbered dials
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/018—Application transfer; between utility and emergency power supply

Definitions

the present disclosure relates to an indicating device for a dual-power automatic transfer switch and a dual-power automatic transfer switch including the same indicating device.
An indicating device of ATSE is a safety-related functional module, which indicates to the user the current opening and closing state of contacts of ATSE, such as being closed to the first power supply (S1 ON) or closed to the second power supply (S2 ON) or being disconnected from the first power supply and the second power supply (OFF).
ATSE has isolation function, users can padlock at OFF position to ensure the isolation between power supply and load terminal, and let maintenance personnel safely maintain load terminal equipment.
the contacts are not rigidly connected with the mechanism drive, which leads to incorrect indication when the indicator is connected with the mechanism drive instead of the contacts rigidly.
the driving of the mechanism has reached the OFF position, which is dangerous.
mechanical indicators provide mechanical indication of contact position, then mechanical indicators provide electrical indication of contact position, so their correct design is also very critical.
an indicating device of a dual-power automatic transfer switch which includes a first driving component connected to a first moving contact of a first power supply and a second driving component connected to a second moving contact of a second power supply.
the indicating device comprises a mechanical indicating device and an electrical indicating device; and an indicating part acting on the mechanical indicating device and the electrical indicating device.
the first driving component and the second driving component respectively drive the indicating part to move.
the movement of the indicating part drives the mechanical indicating device to move to a position where the first power supply is switched on, a position where the second power supply is switched on and a position where both the first power supply and the second power supply are switched off.
the movement of the indicating part correspondingly actuates the electrical indicating device to indicate a switch on signal of the first power supply, a switch on signal of the second power supply and a switch off signal of the first power supply and the second power supply.
the indicating member is an indicating rod.
a first end of the indicating rod is provided with an indicating rod groove.
a mechanical swing rod arranged on the mechanical indicating device can slide in the indicating rod groove.
the indicating rod groove actuates the mechanical swing rod, so that the mechanical indicating device rotates around a rotating center arranged on the housing of the dual-power automatic transfer switch to a position indicating that the first power supply is switched on, a position indicating that the second power supply is switched on and a position indicating that both the first power supply and the second power supply are switched off.
an indicating rod pressing plate is provided on a second end of the indicating rod.
the indicating rod pressing plate comprises a pressing plate opening.
the electric indicating device comprises a first micro switch and a second micro switch.
both the first micro switch and the second micro switch provide a switch off signal.
the first micro switch When the indicating rod pressing plate presses the first micro switch and the second micro switch is at the pressing plate opening, the first micro switch provides the switch off signal of the first power supply and the second micro switch provides the switch on signal of the second power supply.
the second micro switch When the indicating rod pressing plate presses the second micro switch and the first micro switch is at the pressing plate opening, the second micro switch provides the switch off signal of the second power supply, and the first micro switch provides the switch on signal of the first power supply.
an indicating rod matching part is provided between the first end and the second end of the indicating rod.
the indicating rod matching part comprises a first indicating rod joint part and a second indicating rod joint part.
the first indicating rod joint part engages with the first driving component, and the movement of the first driving component actuates the first indicating rod joint part so as to drive the indicating rod to move.
the second indicating rod joint part engages with the second driving component, and the movement of the second driving component actuates second indicating rod joint part so as to drive the indicating rod to move.
the first indicating rod joint part is a first protrusion which is engaged with a first groove arranged on the first driving component, and the movement of the first groove actuates the first protrusion so as to drive the indicating rod to move.
the second indicating rod joint part is a second protrusion which is engaged with a second groove arranged on the second driving component, and the movement of the second groove actuates the second protrusion so as to drive the indicating rod to move.
the indicating device further comprises a reset spring.
One end of the reset spring is installed on a housing of the dual-power automatic transfer switch.
the other end of the reset spring acts on the indicating rod, and the reset spring exerts its elastic force on the indicating rod in the direction of switching on the first power supply.
the first driving component connected to the moving contact of the first power supply directly drives the indicating rod to move to the right to switch on, but the indicating rod does not move to the rightmost end because the switch-on is not in place, and the electrical indicating device may not be completely released (the indicating rod pressing plate still presses the first micros witch), resulting in the switch off signal of the first power supply still being indicated.
the indicator rod is returned to a position where the first power supply is switched on (the indicating rod pressing plate will not press the first micro switch, that is, the first micro switch is completely in the pressing plate opening).
the indicating rod matching part is a U-shaped groove.
the first driving component and the second driving component are respectively engaged with the first protrusion and the second protrusion in the U-shaped groove.
the first micro switch and the second micro switch are stacked on top of each other.
the pressing plate openings are arranged to be staggered along the moving direction of the indicating rod and respectively correspond to the first micro switch and the second micro switch.
the rigid connection between the indicating device and the moving contact is realized, thus avoiding the situation of incorrect indication.
the situation of incorrect indication is avoided.
a dual-power automatic transfer switch which is characterized in that the dual-power automatic transfer switch comprises the indicating device as described above.
Figs. 1 and 2 show an assembled perspective view and an exploded perspective view, respectively, of a dual-power automatic transfer switch including a housing and an indicating device, which includes a first driving component 1 connected to a first moving contact of a first power supply and a second driving component 2 connected to a second moving contact of a second power supply.
the indicating device comprises a mechanical indicating device 3 and an electrical indicating device 4 (see fig. 2 ), and an indicating part 5 acting on the mechanical indicating device 3 and the electrical indicating device 4.
the first driving component 1 and the second driving component 2 respectively drive the indicating part to move.
the movement of the indicating part 5 drives the mechanical indicating device 3 to move to a position for indicating the first power supply to switch on (as shown in fig. 6 ), a position for indicating the second power supply to switch on (as shown in fig. 8) and a position for indicating that both the first power supply and the second power supply are switched off (as shown in fig. 7 ).
the movement of the indicating part 5 correspondingly actuates the electrical indicating device 4 to indicate the switching on signal of the first power supply, the switching on signal of the second power supply and the switching off signal of the first power supply and the second power supply.
the indicating part 5 is an indicating rod 6.
a first end 6-1 of the indicating rod 6 is provided with an indicating rod groove 6-1-1.
a mechanical swinging rod 3-1 arranged on the mechanical indicating device 3 can slide in the indicating rod groove 6-1-1.
the indicating rod groove 6-1-1 actuates the mechanical swing rod 3-1, so that the mechanical indicating device 3 rotates around the rotation center provided on a housing 7 of the dual-power automatic transfer switch to the position indicating that the first power supply is switched on (as shown in fig. 6 ), the position indicating that the second power supply is switched on (as shown in fig. 8) and the position indicating that the first and second power supply are all switched off (as shown in fig. 7 )
an indicating rod pressing plate 6-2-1 (as shown by the hatching in figs. 4 to 5 ) is provided on the second end 6-2 of the indicating rod 6.
the indicating rod pressing plate 6-2-1 includes a pressing plate opening 6-2-1-1 (as shown in figs. 6 and 8).
the electric indicating device 4 includes a first micro switch 4-1 and a second micro switch 4-2 (as shown in fig. 3 ).
both the first micro switch 4-1 and the second micro switch 4-2 provide switch off signals.
the first micro switch 4-1 When the indicating rod pressing plate 6-2-1 presses the first micros witch 4-1 and the second micro switch 4-2 is located at the pressing plate opening 6-2-1-1, the first micro switch 4-1 provides a switching-off signal of the first power supply and the second micro switch 4-2 provides a switching-on signal of the second power supply.
the second micro switch 4-2 When the indicating rod pressing plate 6-2-1 presses the second micro switch 4-2 and the first micro switch 4-1 is located at the pressure plate opening 6-2-1-1, the second micro switch 4-2 provides a switch-off signal of the second power supply and the first micro switch 4-1 provides a switch-on signal of the first power supply.
an indicating rod matching part 6-3 is provided between the first end 6-1 and the second end 6-2 of the indicating rod 6.
the indicating rod matching part 6-3 includes a first indicating rod joint part and a second indicating rod joint part.
the first indicating rod joint part engages with the first driving component 1 and the movement of the first driving component 1 actuates the first joint part to drive the indicating rod to move.
the second indicating rod joint part engages with the second driving component 2 and the movement of the second driving component 2 actuates the second joint part to drive the indicating rod to move.
the first indicating rod joint part is a first protrusion 6-3-1 (as shown in fig. 3 ), which is engaged with a first groove 1-1 provided on the first driving component 1 and the movement of the first groove 1-1 actuates the first protrusion 6-3-1 so as to drive the movement of the indicating rod 6.
the second indicating rod joint part is a second protrusion 6-3-2 (as shown in fig. 3 ), which is engaged with a second groove 2-1 provided on the second driving component 2 and the movement of the second groove 2-1 actuates the second protrusion 6-3-2 so as to drive the movement of the indicating rod 6.
the indicating device further includes a reset spring 8.
One end 8-1 of the reset spring 8 is mounted on the housing 7 of the dual-power automatic transfer switch.
the other end 8-2 of the reset spring 8 acts on the indicating rod 6, and the reset spring 8 exerts its elastic force on the indicating rod 6 in the direction of switching on the first power supply.
the first driving component 1 connected to the moving contact of the first power supply directly drives the indicating rod 6 to move to the right for switching on, but the indicating rod 6 does not move to the rightmost end because the switch-on is not in place, and the electrical indicating device 4 may not be completely released (the indicating rod pressing plate 6-2-1 still partially presses the first micro switch 4-1,the indicating rod pressing plate 6-2-1 completely presses the second micro switch 4-2), resulting in the switch off signal of the first power supply still being indicated (the mechanical indicator 3 does not move to the position indicating the first power supply to switch on).
the indicator rod 6 is returned to a position where the first power supply is fully switched on (the indicator rod pressure plate 6-2-1 will not press the first micro switch 4-1, that is, the first micro switch 4-1 is completely in the pressing plate opening 6-2-1-1, the first micro switch 4-1 provides the switching on signal of the first power supply, while the mechanical indicator 3 moves to a position indicating the first power supply is switched on.
the indicating rod matching part 6-3 is a U-shaped groove.
the first driving component 1 and the second driving component 2 are respectively engaged with the first protrusion 6-3-1 and the second protrusion 6-3-2 in the U-shaped groove.
the first micro switch 4-1 and the second micro switch 4-2 are stacked on top of each other.
the pressing plate openings 6-2-1-1 are arranged to be staggered along the moving direction of the indicating rod 6 and respectively corresponds to the first micro switch 4-1 and the second micro switch 4-2.
Fig. 6 shows the indicating device according to the present disclosure in a position indicating that the first power supply is switched on.
Fig. 7 shows the indicating device according to the present disclosure in a position indicating that the first power supply and the second power supply are all switched off.
Fig. 8 shows the indicating device according to the present disclosure in a position indicating that the second power supply is switched on.
Figs. 6 to 8 also show the movement of the indicating device.
the first moving contact 9 corresponding to the first power supply is in the switching on position, while the second moving contact 10 corresponding to the second power supply is in the switching off position.
the mechanical indicating device 3 is in the position of indicating the first power supply to switch on, while the first micro switch 4-1 of the electrical indicating device 4 is not pressed by the indicating rod pressure plate 6-2-1 but is located in the pressing plate opening 6-2-1.
the second micro switch 4-2 is pressed by the indicating rod pressure plate 6-2-1, the first micro switch 4-1 provides the switching on signal of the first power supply, and the second micro switch 4-2 provides the switching off signal of the second power supply.
the first moving contact 9 corresponding to the first power supply starts to move toward the opening position, and the movement of the first moving contact 9 drives the first driving component 1 to move, and then the movement of the first groove 1-1 drives the first protrusion 6-3-1 to drive the movement of the indicating rod 6.
the indicating rod groove 6-1-1 actuates the mechanical swing rod 3-1, so that the mechanical indicating device 3 rotates around the rotation center provided on the housing 7 of the dual-power automatic transfer switch to a position indicating that both the first power supply and the second power supply are switched off (as shown in fig. 7 ).
the first micro switch 4-1 and the second micro switch 4-2 of the electrical indicating device 4 are both pressed by the indicating rod pressing plate 6-2-1, the first micro switch 4-1 provides the switching off signal of the first power supply, and the second micro switch 4-2 provides the switching off signal of the second power supply.
the second moving contact 10 corresponding to the second power supply starts to move towards the closing position, and the movement of the second moving contact 10 drives the second driving component 2 to move, and then the movement of the second groove 2-1 actuates the second protrusion 6-3-2 to drive the movement of the indicating rod 6.
the indicating rod groove 6-1-1 actuates the mechanical swing rod 3-1, so that the mechanical indicating device 3 rotates around the rotation center provided on the housing 7 of the dual-power automatic transfer switch to a position indicating that the second power supply is switched on (as shown in fig. 8).
the first micro switch 4-1 of the electrical indicating device 4 is pressed by the indicating rod pressing plate 6-2-1, while the second micro switch 4-2 is not pressed by the indicating rod pressing plate 6-2-1.
the first micro switch 4-1 provides the switching off signal of the first power supply and the second micro switch 4-2 provides the switching on signal of the second power supply.
the rigid connection between the indicating device and the moving contact is realized, thus avoiding the situation of incorrect indication.
the situation of incorrect indication is avoided.
a dual power automatic transfer switch which includes the indicating device as described above.
the utility model is not limited to the individual specific embodiments illustrated in the drawings and the specific embodiments described in the specification as the best mode contemplated for implementing the utility model at present, but the utility model is intended to include all the embodiments falling within the scope of the above specification and the appended claims.

Landscapes

Push-Button Switches (AREA)
Switches With Compound Operations (AREA)
Mechanisms For Operating Contacts (AREA)
Stand-By Power Supply Arrangements (AREA)
Electronic Switches (AREA)
Switch Cases, Indication, And Locking (AREA)

EP20306129.6A 2019-09-30 2020-09-30 Dispositif d'indication du commutateur de transfert automatique à double alimentation et du commutateur de transfert automatique à double alimentation Active EP3799088B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CN201921673466.2U CN210640133U (zh)	2019-09-30	2019-09-30	双电源自动转换开关的指示装置和双电源自动转换开关

Publications (3)

Publication Number	Publication Date
EP3799088A1 true EP3799088A1 (fr)	2021-03-31
EP3799088A9 EP3799088A9 (fr)	2022-08-10
EP3799088B1 EP3799088B1 (fr)	2022-12-28

Family

ID=70799112

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20306129.6A Active EP3799088B1 (fr)	2019-09-30	2020-09-30	Dispositif d'indication du commutateur de transfert automatique à double alimentation et du commutateur de transfert automatique à double alimentation

Country Status (4)

Country	Link
EP (1)	EP3799088B1 (fr)
CN (1)	CN210640133U (fr)
AU (1)	AU2020244488B2 (fr)
ES (1)	ES2937913T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4080535A1 (fr) *	2021-04-23	2022-10-26	Schneider Electric Industries SAS	Mécanisme de ressort utilisé pour un commutateur de transfert de puissance double et commutateur de transfert de puissance double
EP4089701A1 (fr) *	2021-05-14	2022-11-16	Schneider Electric Industries SAS	Dispositif d'indication pour un commutateur de transfert automatique à double alimentation

Citations (2)

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Publication number	Priority date	Publication date	Assignee	Title
CN208142045U (zh) *	2018-05-04	2018-11-23	施耐德电器工业公司	双电源转换开关及其切换机构
CN209071158U (zh) *	2019-01-10	2019-07-05	常熟开关制造有限公司(原常熟开关厂）	一种自动转换开关的指示辅助装置

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US4021678A (en) *	1976-01-19	1977-05-03	Automatic Switch Company	Automatic transfer switch
WO2012162457A2 (fr) *	2011-05-25	2012-11-29	Symcom, Inc.	Commutateur de transfert automatique haute vitesse intelligent
CN105070600B (zh) *	2015-07-28	2018-02-06	上海电科电器科技有限公司	断路器的故障状态指示装置
CN208142055U (zh) *	2018-05-04	2018-11-23	施耐德电器工业公司	双电源转换开关的位置指示器和双电源转换开关

2019
- 2019-09-30 CN CN201921673466.2U patent/CN210640133U/zh active Active
2020
- 2020-09-30 AU AU2020244488A patent/AU2020244488B2/en active Active
- 2020-09-30 EP EP20306129.6A patent/EP3799088B1/fr active Active
- 2020-09-30 ES ES20306129T patent/ES2937913T3/es active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN208142045U (zh) *	2018-05-04	2018-11-23	施耐德电器工业公司	双电源转换开关及其切换机构
CN209071158U (zh) *	2019-01-10	2019-07-05	常熟开关制造有限公司(原常熟开关厂）	一种自动转换开关的指示辅助装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4080535A1 (fr) *	2021-04-23	2022-10-26	Schneider Electric Industries SAS	Mécanisme de ressort utilisé pour un commutateur de transfert de puissance double et commutateur de transfert de puissance double
US20220344111A1 (en) *	2021-04-23	2022-10-27	Schneider Electric Industries Sas	Spring mechanism used for dual power transfer switch and dual power transfer switch
US11908643B2 (en) *	2021-04-23	2024-02-20	Schneider Electric Industries Sas	Spring mechanism used for dual power transfer switch and dual power transfer switch
EP4089701A1 (fr) *	2021-05-14	2022-11-16	Schneider Electric Industries SAS	Dispositif d'indication pour un commutateur de transfert automatique à double alimentation
US20220367129A1 (en) *	2021-05-14	2022-11-17	Schneider Electric Industries Sas	Indicating device for a dual-power automatic transfer switch
AU2022203223B2 (en) *	2021-05-14	2023-04-13	Schneider Electric Industries Sas	An indicating device for a dual-power automatic transfer switch
US12327706B2 (en) *	2021-05-14	2025-06-10	Schneider Electric Industries Sas	Indicating device for a dual-power automatic transfer switch

Also Published As

Publication number	Publication date
EP3799088B1 (fr)	2022-12-28
AU2020244488A1 (en)	2021-04-22
CN210640133U (zh)	2020-05-29
ES2937913T3 (es)	2023-04-03
AU2020244488B2 (en)	2021-07-29
EP3799088A9 (fr)	2022-08-10

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